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A psychometric evaluation of a Korean version of the quality of life in late stage dementia scale

노인간호학회지 2021년 23권 1호 p.34 ~ 42
정은혜, 박민선, 이예나, 장성옥,
소속 상세정보
정은혜 ( Jeong Eun-Hye ) - Korea University College of Nursing
박민선 ( Park Min-Sun ) - Korea University College of Nursing
이예나 ( Lee Ye-Na ) - Korea University College of Nursing
장성옥 ( Chang Sung-Ok ) - Korea University College of Nursing

Abstract


Purpose: This study was conducted to translate and validate a Korean version of the Quality of Life in Late-Stage Dementia (QUALID-K) scale.

Methods: A cross-sectional design was applied to culturally adapt and validate the scale. A total of 197 participants from two long-term care hospitals in Korea were recruited. The psychometric properties of the QUALID-K scale, including dimensionality of subscales, concurrent, discriminant, and convergence validity, test-retest reliability, inter-rater reliability, and internal consistency were evaluated.

Results: The QUALID-K scale’s dimensionality differed from the original one-factor structure, and a three-factor model better fit the data. The validity analysis showed a significant association of the QUALID-K with cognitive function, activities of daily living, depressive symptoms, and pain. Test-retest and inter-rater analysis confirmed the measurement’s stability.
Conclusion: The QUALID-K scale appears to be a reliable and valid measurement to assess the quality of life for those with severe dementia in the Korean population.

키워드

aged; dementia; long-term care; validation study; quality of life

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